<span lang="en">The great technological evolution achieved in the field of public communication networks in comparison to the slower pace of the critical communications sector has raised discussions regarding the next evolutionary steps of PMR technologies and the integration of mission critical aspects into public wideband networks. This paper analyses a converged scenario of the public and private mobile network technologies which will enable those professionals to make the most of both worlds, while assuring efficient use of critical resources. This paper provides a short overview of the principles that derive from end-user requirements along with a system applicability analysis in a number of complete use cases.</span>